X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 15 Jan 2013 13:22:08 -0500 Message-ID: X-Original-Return-Path: Received: from m1plsmtpa01-04.prod.mesa1.secureserver.net ([64.202.165.6] verified) by logan.com (CommuniGate Pro SMTP 6.0.1) with ESMTP id 6013589 for lml@lancaironline.net; Tue, 15 Jan 2013 12:41:43 -0500 Received-SPF: none receiver=logan.com; client-ip=64.202.165.6; envelope-from=tom@lachollatech.com Received: from [192.168.2.4] ([69.244.34.179]) by m1plsmtpa01-04.prod.mesa1.secureserver.net with id oHh71k00C3rtwn101Hh7ML; Tue, 15 Jan 2013 10:41:07 -0700 Subject: Nasal canula, 18,000 feet, and the FARs From: Tom Thibbaulttom Content-Type: text/plain; charset=us-ascii X-Mailer: iPad Mail (10A523) X-Original-Message-Id: <57EEF763-C364-4F51-AA14-97D108538A55@lachollatech.com> X-Original-Date: Tue, 15 Jan 2013 10:41:08 -0700 X-Original-To: Lancair Mailing List Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (1.0) These comments are about the law, not what is smart. WRT the 18,000 foot limit for using a nasal canula, the only rule I can find= that says a mask is required above 18,000 feet is FAR 23.1447. Part 23 doe= s not apply to aircraft with experimental certificates, see 23.1. So, legal= ly, it seems, you can use a canula anytime. Does anyone know another regulation, that applies to experimental A/C, and r= equires a mask above 18,000 feet? If you do, please give the reference. Again, the question is what is legal, not what is smart. Tom Thibault L360, 1,000+ hours